In this video, Motley Fool health care analyst David Williamson takes a look at three biotech stocks making moves today and what you should know about them. Sequenom (NASDAQ: SQNM) made a big jump today despite higher-than-expected losses because of continued interest in its MaterniT21 Down syndrome test. SciClone Pharmaceuticals (SCLN) released some disappointing numbers. And ISIS Pharmaceuticals (IONS 0.11%) is up 15% after a recent buy rec from Cowen, but Williamson warns that there are some mitigating factors around ISIS that should curb investors' enthusiasm.
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3 Biotechs Rocking Friday's Market
NASDAQ: IONS
Ionis Pharmaceuticals

A quick look at some notable health care movers.
David Williamson has no positions in the stocks mentioned above. Follow him on Twitter @MotleyDavid. The Motley Fool owns shares of Illumina. Motley Fool newsletter services recommend Illumina. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.
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